An Active Disturbance Rejection Sliding Mode Contour Tracking Control for Biaxial Moving Platform

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Control algorithm</td><td class="align_center"><i>x</i> (mm)</td><td class="align_center"><i>y</i> (mm)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">PID</td><td class="align_center">0.0690</td><td class="align_center">0.0907</td></tr><tr><td class="align_left">LADRC</td><td class="align_center">0.0095</td><td class="align_center">0.0119</td></tr><tr><td class="align_left">ADRC + SMC</td><td class="align_center">0.0077</td><td class="align_center">0.0091</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Average comparison of tracking errors.</div>

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Table 2

Table 2: An Active Disturbance Rejection Sliding Mode Contour Tracking Control for Biaxial Moving Platform 